參數(shù)資料
型號(hào): M38857M8-XXXHP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件頁數(shù): 17/105頁
文件大?。?/td> 1403K
代理商: M38857M8-XXXHP
3885 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
16
(10) Port P45
Data bus
Serial I/O enable bit
Transmit enable bit
Serial I/O output
P45/TXD P-channel output disable bit
Port latch
1
Serial I/O input
(9) Port P44
Data bus
Serial I/O enable bit
Receive enable bit
Port latch
P4 output structure selection bit
1
(11) Port P46
Data bus
Serial I/O clock output
Serial I/O external clock input
Port latch
P4 output structure selection bit
Serial I/O
synchronous clock selection bit
Serial I/O enable bit
Serial I/O mode selection bit
Serial I/O enable bit
1
(13) Ports P50 to P53
Interrupt input
Data bus
Port latch
(14) Ports P54, P55
Port latch
Data bus
Pulse output mode
Timer output
CNTR0, CNTR1 interrupt input
(15) Ports P56, P57
D-A converter output
D-A1 (D-A2) output enable bit
Data bus
Port latch
PWM01 (PWM11) output
PWM0 (PWM1) output pin selection bit
PWM0 (PWM1) enable bit
(16) Port P6
Analog input pin selection bit
A-D converter input
Data bus
Port latch
1. Reading the port P8 register (address 001016) is switched to port P4 pin input level by the P8 function selection bit of the port control
register 2 (PCTL2).
(12) Port P47
Data bus
Serial I/O ready output
Port latch
CLKRUN output
Serial I/O mode selection bit
Serial I/O enable bit
SRDY output enable bit
Serialized IRQ enable bit
P5i open drain selection bit
Direction
register
Direction
register
Direction
register
Direction
register
Direction
register
Direction
register
Direction
register
Direction
register
Fig. 11 Port block diagram (2)
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